Five-, five-and-a-half-, and seven-month-old infants were tested for sensitivity to relative size as distance information. Infants viewed two equidistant, different-sized objects presented side by side and reaching was used as dependent measure. Findings revealing five-and-a-half- and seven- but not five-month-olds were sensitive to relative size…

Three studies explore the development of discrimination and memory for symmetry in preschoolers four to six years of age. Issues addressed include the young child's ability to discriminate and reproduce symmetry, and the effects of pattern orientation and complexity on the young child's symmetry discrimination and reproduction. Results indicate…